28738515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{147377}}^1$

素因数の和:147398

約数の個数: 16

約数和(自身を含む): 49519008

約数和(自身を除く): 20780493

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 147377, 442131, 736885, 1915901, 2210655, 5747703, 9579505, 28738515]

約数ペア:

[(1, 28738515), (3, 9579505), (5, 5747703), (13, 2210655), (15, 1915901), (39, 736885), (65, 442131), (195, 147377)]